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<?php
namespace Nethgui\Test\Unit\Nethgui\Serializer;

/**
 * @covers \Nethgui\Serializer\ArrayAccessSerializer
 */
class ArrayAccessSerializerTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @var \Nethgui\Serializer\ArrayAccessSerializer
     */
    protected $tests = array();
    protected $data;

    /**
     * Sets up the fixture, for example, opens a network connection.
     * This method is called before a test is executed.
     */
    protected function setUp()
    {
        $a = array(
            'A' => array('f0' => 'a0', 'f1' => 'a1', 'f2' => 'a2'),
            'B' => array('f0' => 'b0', 'f1' => 'b1', 'f2' => 'b2'),
            'C' => array('f0' => 'c0', 'f1' => 'c1', 'f2' => 'c2'),
        );

        $this->data = new \ArrayObject($a);

        foreach ($a as $rowKey => $row) {
            foreach ($row as $fieldKey => $value) {
                $this->tests[] = array(
                    $rowKey,
                    $fieldKey,
                    $value,
                    new \Nethgui\Serializer\ArrayAccessSerializer($this->data, $rowKey, $fieldKey)
                );
            }
        }
    }

    public function testRead()
    {
        foreach ($this->tests as $args) {
            list($rowKey, $fieldKey, $value, $object) = $args;
            $this->assertEquals($value, $object->read());
        }
    }

    public function testReadNonExistingRow()
    {
        $object = new \Nethgui\Serializer\ArrayAccessSerializer($this->data, 'X', 'f0');
        $this->assertNull($object->read());
    }

    public function testReadNonExistingField()
    {
        $object = new \Nethgui\Serializer\ArrayAccessSerializer($this->data, 'A', 'x0');
        $this->assertNull($object->read());
    }

    /**
     * @expectedException \LogicException
     */
    public function testReadInvalidData()
    {
        $data = array(
            'A' => 'x0',
            'B' => array('1', '2'),
        );

        $object = new \Nethgui\Serializer\ArrayAccessSerializer(new \ArrayObject($data), 'A', 'x0');
        $object->read();
    }

    public function testWriteUpdate()
    {
        foreach ($this->tests as $args) {
            list($rowKey, $fieldKey, $value, $object) = $args;
            $this->assertEquals($value, $this->data[$rowKey][$fieldKey]);
            $object->write('UU');
            $this->assertEquals('UU', $this->data[$rowKey][$fieldKey]);
        }
    }

    public function testWriteAppend()
    {
        $object = new \Nethgui\Serializer\ArrayAccessSerializer($this->data, 'C', 'f2');
        $object->write('c2');
        $this->assertEquals('c2', $this->data['C']['f2']);
    }

    public function testWriteUnchanded()
    {
        $object = new \Nethgui\Serializer\ArrayAccessSerializer($this->data, 'D', 'f0');
        $object->write('AA');
        $this->assertEquals('AA', $this->data['D']['f0']);
        $this->assertEquals(array('f0' => 'AA'), $this->data['D']);
    }    
    
    /**
     * @expectedException \InvalidArgumentException
     */
    public function testInvalidSubscript1()
    {
        new \Nethgui\Serializer\ArrayAccessSerializer($this->data, array(), 1.12);
    }

    /**
     * @expectedException \InvalidArgumentException
     */
    public function testEmptySubscript1()
    {
        new \Nethgui\Serializer\ArrayAccessSerializer($this->data);
    }

    public function testNullSubscript()
    {
        $data = array(
            'X' => '123',
            'Y' => '456'
        );
        $o = new \Nethgui\Serializer\ArrayAccessSerializer(new \ArrayObject($data), 'X', NULL);
        $this->assertEquals('123', $o->read());
    }

}